You can add a service by adding a new entry to the services.yml data file.
Make sure to include the following keys:
name- Name of the service.description- A few-word description of the service.url- URL of the main page of the service.review_url- URL of the page on which permissions can be managed.
Optionally, include a link (using the key docs_url) to service's own documentation regarding third-party app permissions.
See, for example, GitHub's entry:
- name: GitHub
description: Hosting service for software development.
url: https://github.com/
review_url: https://github.com/settings/applications
docs_url: https://help.github.com/articles/connecting-with-third-party-applicationsIf possible, include a square icon of the service in the images/ folder of which the file name should equal the name of the service down-cased (e.g. github.png for GitHub).